Find every pipe, duct, conduit, or cable tray with a fractional inch length, gray them out in the active view, then click any one to retype its length. Connected fittings and downstream runs translate to follow.
Fabrication-ready lengths in two passes, across pipe, duct, conduit and cable tray: highlight the offenders, then click each one and type the length you want. Connected fittings and downstream runs translate to follow.
Scans every element of the chosen category in the active view and grays out any whose length isn't a whole inch (tolerance 0.01″). Re-run after edits — elements that are now clean automatically un-highlight.
Active-view scopedPick an element, type the exact length you want, hit Enter. The tool resizes the geometry in a single Revit transaction — fully undoable, with feet+inches, fractions, or mixed input.
Modal length inputWhen you shorten or lengthen an element, every fitting and downstream connector at the moving end translates as one — no broken connections, no orphaned elbows or tees.
Connected-element syncThe endpoint nearest your click stays put; the far endpoint moves. So you naturally trim from the side that matters — no parameter dialog, no axis dropdowns.
Click = anchorSkip the calculator. Prefix the input with = to evaluate arithmetic: =1 6"/2 becomes 9", =6"*2 becomes 1'. Mix feet, inches, fractions.
Switch on the AUTO toggle and the highlight overlay re-runs after every adjustment — elements you've just fixed stop being gray in real time. Off by default to keep big models snappy.
Live overlayStay in adjust-mode and keep clicking elements one after another. Single ESC skips one; double-ESC (within half a second) exits the tool. No ribbon trips between fixes.
Modeless pickingOne tool, one workflow — switch between Pipe, Duct, Conduit and Cable Tray with a chip-row at the top of the dialog. Your last selection is remembered between launches.
Pipe · Duct · Conduit · CTChoose Pipe, Duct, Conduit or Cable Tray. Run HIGHLIGHT to scan, or click the ADJUST LENGTH card to start picking elements — flip the AUTO toggle to do both at once.
Open Revit and load your project. On the MotionSite tab, click Length Optimizer in the Modeling Tools panel. The tool dialog appears, ready in the active view.
Tap one of four chips — PIPE, DUCT, CONDUIT, CABLE TRAY. The status bar updates live with the count of that element type in the active view. Selection persists between launches.
Hit the dark ⌖ HIGHLIGHT button in the footer. Elements whose length isn't a whole inch turn solid gray in the active view; the rest have their overrides cleared. A task dialog reports counts.
Click the orange-outlined ADJUST LENGTH card in the dialog. Pick any element near the endpoint you want to keep — a small input dialog opens with the current length displayed. Type the target value and confirm.
Type 4 for 4', 2 6 for 2'-6", 0 11 1/2 for 11½", or prefix with = for math like =1 6"/2.
The tool stays active so you can chain edits. Press ESC to skip an element; ESC ESC within half a second to exit. All edits are single-transaction and undoable.
No surprises: the detection rule, the units, the scope, and the safeguards that keep your model intact.
An element is "non-integer" if its length is more than one-hundredth of an inch off a whole number. Rounding artifacts from Revit's internal precision don't trigger the highlight.
Whichever endpoint your click was closest to becomes the FIXED anchor. The far end moves to meet the new length — along with any connected fitting, equipment, or downstream run.
Length Optimizer ships as a bundled MSI package. Run the installer — the add-in registers itself for every supported Revit version on your machine, no manual file copying or config edits required.
Obtain the latest PipeLengthOptimizer-Setup.msi from your Motion-Site distribution package.
Double-click the MSI and follow the prompts. The installer detects your Revit version and drops the matching DLL into the right add-ins folder — the 2022-2024 build for Revit 2022/2023/2024, and the 2025 build for Revit 2025+.
Open any Revit project. The MotionSite tab appears in the ribbon — click Length Optimizer in the Modeling Tools panel to open the dialog.
